<template>
    <div>
        <div class="main-div">
            <router-view/>
        </div>
        <van-tabbar v-model="active" @change="changeTabbar(active)">
            <van-tabbar-item icon="shop">首页</van-tabbar-item>
            <van-tabbar-item icon="records">列表</van-tabbar-item>
            <van-tabbar-item icon="shop">购物车</van-tabbar-item>
            <van-tabbar-item icon="shop">个人中心</van-tabbar-item>
        </van-tabbar>
    </div>
</template>

<script>
    export default {
        data(){
            return{
                active:0,
            }
        },
        created(){
            this.changeTabBarActive()
        },
        methods:{
            changeTabBarActive(){
                    this.nowPath=this.$route.path
                    if(this.nowPath=='/Cart'){
                        this.active=2;
                    }
                },
            changeTabbar(active){
                switch(active){
                    case 0:
                        this.$router.push({name:'ShoppingMall'})
                        break;
                    case 1:
                        this.$router.push({name:'CategoryList'})
                        break;
                    case 2:
                        this.$router.push({name:'Cart'})
                        break;
                }
            }
        }
    }
</script>

<style scoped>

</style>